SB2026041515 - Unauthenticated command execution in FortiSandbox



SB2026041515 - Unauthenticated command execution in FortiSandbox

Published: April 15, 2026

Security Bulletin ID SB2026041515
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2026-39808)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper neutralization of special elements used in an OS command. A remote unauthenticated attacker can send a specially crafted HTTP request and execute unauthorized code or commands on the system.


Remediation

Install update from vendor's website.